#include <iostream> 
using namespace std;

int balance = 0;

void save (int money) // 存钱
{
	balance += money;
}

void draw(int money) // 取钱
{
	balance -= money;
}

int main(void)
{
	save(5000);
	cout << balance << endl;
	draw(3000);
	cout << balance << endl;
	return 0;
}


